/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemBlueprintLibrary.h
Tries to find an ability system component on the actor, will use AbilitySystemInterface or fall back to a component search
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category=Ability, Meta=(DefaultToSelf="Actor")) static [UAbilitySystemComponent](API\Plugins\GameplayAbilities\UAbilitySystemComponent) * GetAbilitySystemComponent ( [AActor](API\Runtime\Engine\GameFramework\AActor) * Actor )